AIRCRAFT ABBREVIATIONS & ACRONYMS

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AIRCRAFT ABBREVIATIONS & ACRONYMS

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AIRCRAFT ABBREVIATIONS & ACRONYMS
A Ampere
A Amber
A Area
A Alternate
A Altitude
A Air
A Angstrom
AA Arithmetical Average
AA Autopilot Annunciator
AAAS Alternative Audio Alert Select
AACD Aging Airplane Corrosion Document
AACP Aging Airplane Corrosion Program
AACU Antiskid/Autobrake Control Unit
AADF Angle of Attack Averaging Defeat
AADS Analog Air Data System
AAI Air-to-Air Identification
AAIB Air Accidents Investigation Branch
AAIP Analog Autopilot Improvement Program
AAL Above Aerodrome Level
AALS Altitude Acquire Level Switch
AAM Autopilot Actuator Monitor
AAS Airport Advisory Service
A-ATCK Angle of Attack
AATF Airworthiness Assurance Task Force
AAU Audio Accessory Unit
AAWG Airworthiness Assurance Working Group
AB All Base
A/B Autobrake
ABBR Abbreviation
ABM Abeam
ABN Airborne
ABNORM Abnormal
ABS Autobrake System
ABS Absolute
ABSCU Auto Brake System Control Unit
ABSORB Absorber
ABSV Alternate Brake Selector Valve
ABS VAL Absolute Value
ABU Audio Balancing Unit
ABV Above
AC Alternating Current
AC Aircraft
AC Altitude Capture
AC Automated Customized
AC Advisory Circular (FAA)
A/C Aircraft
A/C Air Conditioning
A*C Aircraft
ACARS Arinc Communications, Addressing &
Reporting System
ACAU Air Conditioning Accessory Unit
ACB Airplane Configuration Bulletin
ACC Accessory
ACC Accelerometer
ACC Area Control Center
ACC Active Clearance Control
ACCEL Accelerate, Acceleration
ACCEL Accelerometer
ACCESS Accessory
ACCLRM Accelerometer
ACCU Accumulator
ACCUM Accumulator
ACCY Accessory
ACDB Airport Characteristics Data Bank
ACDO Air Carrier District Office
ACE Altimeter Control Equipment
ACE Air Cargo Equipment
ACE Actuator Control Electronics
ACEM Aircraft Equipment Modification
ACESS Advanced Cabin Entertainment Service System
ACFI Advisory Committee on Flight Information (FAA)
ACFT Aircraft
ACIA Asynchronous Communications Interface Adaptor
ACIC Aeronautical Chart and Information Center
ACK Acknowledge, Acknowledgment
ACLOR Aileron Command Limit Override
ACLS Altitude Capture Level Switch
ACM Air Cycle Machine
ACM Aileron Centering Mechanism
ACMF Airplane Condition Monitoring Function
ACMP Alternating Current Motor Pump
ACMS Aircraft Condition Monitoring System
ACMS Airplane Condition Monitoring System
ACN Aircraft Classification Number
ACO Aircraft Certification Office (FAA)
ACOB Automatic Call Out Box
ACOC Air Cooled Oil Cooler
ACP Audio Control Panel
ACP Altimeter Check Point
ACQ Acquire, Acquisition
ACQN Acquisition
ACRU Avionics Cooling Refrigeration Unit
ACS Air Conditioning System
ACS Access
ACS Active Control System
ACS Airplane Configuration System
ACS ACESS Configuration System
ACSU Advanced Central Switching Unit
ACT Active
ACT Activity
ACT Actual
ACT Actuator
ACTD Actuated
ACTG Actuating
ACTN Action
ACTR Actuator
ACTVT Activate
ACU Antenna Coupler Unit
ACU Acceleration Control Unit
ACU Annunciator Control Unit
ACU Auxiliary Control Unit
ACV Altitude Capture Validity
ACVR Alternating Current Voltage Ratio
AD Airworthiness Directive (FAA)
AD Aerodrome
AD Airplane Datum
A/D Analog-to-Digital
ADAMS Airborne Data Analysis and Monitor System
ADAS Auxiliary Data Acquisition System
ADAU Auxiliary Data Acquisition Unit
ADC Air Data Computer
A/DC Analog to Digital Converter
ADCN Advanced Drawing Change Notice
A/D CONV Analog to Digital Converter
ADD Addition
ADF Automatic Direction Finder
ADG Air Driven Generator
ADI Attitude Director Indicator
ADIF ADI Flag Inhibit
ADIRS Air Data Inertial Reference System
ADIRU Air Data Inertial Reference Unit
ADIS Automatic Data Interchange System
ADJ Adjust, Adjustable, Adjustment
ADJMT Adjustment
ADL Airborne Data Loader
ADM Air Data Module
1 REV. OCT. 00
AIRCRAFT ABBREVIATIONS & ACRONYMS
ADP Air Driven Pump
ADP Automatic Data Processing
ADPTN Adaptation
ADPTR Adapter
ADR Advisory Route
ADRS Address
ADS Air Data System
ADS Audio Distribution System
ADU Align Display Unit
ADU Air Drive Unit
ADV Advisory
AEA Association of European Airlines
AEB Airline Engineering Bulletin
AEEA Aft Electronics Equipment Area
AEEC Airlines Electronic Engineering Committee
AEG Aircraft Evaluation Group (FAA)
AEM Audio Entertainment Multiplexer
AEP Audio Entertainment Player
AERNO Aeronautical Equipment Reference Number
AERO Aerodynamic
AERODYN Aerodynamic
AES Aircraft Earth Station
AESC Aft Electronic Service Center
AEW Airborne Early Warning
AEX Access Authorized
AF Audio Frequency
AF All Freighter
AF DME Arc to Fixed Waypoint
AF Align Fader Switch Logic
AF Air Force Standards
A/F Auto Flight
A/F Autofeather
AFB Antifriction Bearing
AFC Automatic Frequency Control
AFC Automatic Flight Control
AFCR Air Flow Control Regulation
AFCS Automatic Flight Control System
AFCS Avionic Flight Control System
AFD Automatic Flight Director
AFDC Autopilot Flight Director Computer
AFDS Autopilot/Flight Director System
AFL Air Flow
AFL Aileron Force Limiter
AFM Airplane Flight Manual
AFMC Advanced Flight Management Computer
AFM-DPI Airplane Flight Manual-Digital Performance
Information
AFOLTS Automatic Fire Overheat Logic Test System
AFQGS Advanced Fuel Quantity Gauging Sytem
AFR Airframe
AFS Autoflight System
AFS Aging Fleet Survey
AFSC Ancillary Fuel System Controller
AFT Aftward
AFT After
AFTN Aeronautical Fixed Telecommunication Netword
AFTR After
AG Approach Gate
A/G Air/Ground
AGB Accessory Gearbox
AGC Automatic Gain Control
AGCU Auxiliary Generator Control Unit
AGIS Air/Ground Indication System
AGL Air to Ground Level
AGL Above Ground Level
AGMT Augment
AGR Auxiliary Generator Relay
AGS Automatic Ground Spoilers
AGS Air/Ground System
AGSB Auto Ground Speed Brake
AGSS Air/Ground Safety Sensor
AGT Agent
AGW Actual Gross Weight
AH Alert Height
AH Ampere Hour
AHE Altitude Hold Engaged
AHG Altitude Hold Good
AHP Anti Hijacking Panel
AHRS Attitude Heading Reference System
AHRU Attitude and Heading Reference Unit
AHS Altitude Hold Selected

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AI Anti-Icing
AI Accuracy Index
AI Analog Input
A/I Anti-Ice
AIA Aerospace Industry Association
AIA American Institute of Aeronautics
AIAA American Institute of Astronautics and
Aeronautics
AICC Aviation Industry CBT Committee
AID Aircraft Installation Delay
AIDS Aircraft Integrated Data System
AIG Accident Investigation
AIL Aileron
AIM Action Item-Miscellaneous
AIM Acknowledgement, ISO alphabet numbers and
Maintenance
AIMS Airplane Information Management System
AIP Aeronautical Information Publication
AIR Airplane Airborne
AIR COND Air Conditioning
AIRGND Air/Ground
AIR/GRD Air/Ground
AIRS Airline Inventory Redistribution System
AIRSPD Airspeed
AIS Aeronautical Information Service
AISI American Iron and Steel Institute
AITI Area Inspection Task Items
AIV Accumulator Isolation Valve
AJ Assembly Jig
AL Alumel
AL Autoland
Al Aluminum
A/L Approach/Land
A/L Autoland
ALC Automatic Load Control
ALCMD Autoland Command
ALCS Autopilot Lateral Control Servo
ALDB Airline Database
ALERFA Alert Phase
ALICS Airline Inventory Control System
ALIGN Alignment
ALIM Align Mode
ALM Alarm
ALN Align
ALPHA Angle of Attack
ALPHA Minimum Speed Control Mode
ALPHANUM Alphanumerical
ALR Alert
ALS Aft Limit Switch
ALS Approach Light System
ALS Aircraft Landing Systems
ALT Altitude
ALT Altimeter
ALT Alternate
ALT ACQ Altitude Acquire
2 REV. OCT. 00
AIRCRAFT ABBREVIATIONS & ACRONYMS
ALT A/P Alternate Autopilot
ALT CAP Altitude Capture
ALT CAPT Altitude Capture
ALT HOLD Altitude Hold
ALTM Altimeter
ALTN Alternate
ALTNT Alternate
ALTRK Approach Land Track
ALT SEL Altitude Select
ALT-T Altitude Trip (Takeoff, GA)
ALT TO Alternate To
ALU Arithmetic and Logic Unit
ALV Autoland Validity
AM Amplitude Modulation
Am Amercium
AMB Ambient
AMB Amber
AMB Aircraft Maintenance Base
AMC Acceptable Means of Compliance
AMETS Airplane Maintenance Engineered Time
Standards
AMI Airplane Modifiable Information
AMLCD Active Matrix Liquid Crystal Display
AMM Ammeter
AMM Aircraft Maintenance Manual
AMOC Alternate Means of Compliance (FAA)
AMP Amperes, Amperage
AMP Amplifier
AMP HR Ampere-Hour
AMPL Amplifier
AMPL Amplitude
AMPU Aircraft Modular Power Unit
AMRE Airplane Maintenance and Repair Engineering
AMRN Advance Modification Revision Notice
AMS Aeronautical Material Specifications
AMS Aerospace Material Specification
AMS American Material Specifications
AMT Amount
AMTI Airborne Moving Target Indicator
AMTOSS Aircraft Maintenance Task Oriented Support
System
AMU Audio Management Unit
AMUX Audio Multiplexer
AN Air Navigation
AN Normal Acceleration
AN Army-Navy Standard
AN Air Force-Navy Aeronautical Standards
A/N Autonetics
ANAL Analysis
ANAV Automated Navigation
ANCDU Alternate Navigation Control Display Unit
ANCPT Anticipate
ANCPTR Anticipator
AND Aircraft Nose Down
ANG Angle
ANLG Analogic
ANN Annunciator
ANNCT Announcement
ANN LT Annunciator Light
ANNUN Annunciator
ANNUNC Annunciator
ANPT Aeronautical National Taper Pipe Threads
ANPT American National Pipe Thread
ANS Alternate Navigation System
ANS Ambient Noise Sensors
ANSI American National Standards Institute
ANT Antenna
ANTI-COLL Anti-Collision
ANU Aircraft Nose Up
AO Access Opening
AOA Angle Of Attack
AOA Angle Of Airflow
AOAS Angle Of Attack Sensor
AOB All Overseas Base
AOC Approach On Course
AOC Air Oil Cooling
AOE Automatic Overwing Exit
AOG Aircraft On Ground
AOL All Operators Letters
AOM Aircraft Operating Manual
AOX Air/Oil Cooler
AP Autopilot
AP Airborne Printer
AP Airport
AP Auxiliary Power
A/P Autopilot
A/P Airplane
A& Airframe and Powerplant
APB Auxiliary Power Breaker
APB APU Breaker
APCH Approach
APCMD Autopilot Command
APCS Autopilot Pitch Control Servo
APCU Auxiliary Power Control Unit
APD Approach Progress Display
APE Autopilot Engaged
AP/FD Autopilot/Flight Director
APFDS Autopilot Flight Director System
APFE Autopilot First Engaged
API Angle Position Indicator

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API Air Position Indicator
APID Airplane Identification
APL Airplane
APL Assembly Parts Lists
APM Airplane Performance Monitoring
APNFF Autopilot No First Failure
APP Approach
APP Appearance
APPC Approach Control
APPD Approach Disconnect
APPD Approved
APPE Approach Engage
APPLE Approach Land Engaged
APPR Approach
APPROX Approximately
APR Approach
APR Automatic Performance Reserve
APR Auxiliary Power Relay
APRCH Approach
APRT Airport
APS Aircraft Prepared for Service
APS Auxiliary Power Supply
APS APU Power Switch
APSE Autopilot Servo Engaged
APT Airport
APU Auxiliary Power Unit
APUC Auxiliary Power Unit Controller
APUCU APU Control Unit
APUIC APU Interface Card
AQS Advanced Quality System
AR As Required
AR Approved Repairs
A/R Altitude Rate
A&R Assembly and Repair
ARAC Aviation Rule-making Advisory Committee
ARB Air Registration Board
3 REV. OCT. 00
AIRCRAFT ABBREVIATIONS & ACRONYMS
ARC Automatic Rollout Control
ARGS Autopilot Rollout Guidance Servo
ARINC Aeronautical Radio Incorporated
ARINC STP ARINC I/O UART data Strip
ARMD Armed
ARMG Arming
ARND Around
ARO After Receipt Order
ARP Aerodrome Reference Point
ARP Airport Reference Point
ARP Aeronautical Recommended Practices
ARPT Airport
ARR Arrival, Arriving
ARRA Arizona Radiation Regulatory Agency
ARSR Arrestor
ART Active Repair Time
ART Auto Reserve Thrust
ARTCC Air Route Traffic Control Center
ARTCLD Articulated
ARTF Artificial
ARTS Aircraft Recovery Transportation System
ARU Altitude Rate Unit
AS Altitude Select
AS Airspeed
AS Airscoop
AS Aerospace Standards
A/S Airspeed
A/S Antiskid
A/S Auto Stabilization
ASA Autoland Status Annunciator
ASA All Speed Aileron
ASAE Altitude Select Arm Engaged
ASAERST Altitude Select Arm Engaged Reset
ASAP As Soon As Possible
ASAS Airborne Separation Assurance System
ASAS Altitude Select Arm Selected
ASAS Abnormal Start Advisory System
ASAT Automated Spar Assembly Tool
ASC Automatic Sensitivity Control
ASC Aural Synthesizer Card
ASCD Ascend
ASCII American Standard Code for Information
Interchange
ASCPC Air Supply and Cabin Pressure Controller
ASCS Air Supply Control System
ASCTU Air Supply Control and Test Unit
ASCU Anti Skid Control Unit
ASD Accelerate Stop Distance
ASE Airborne Support Equipment
ASE Airspeed Error
ASE Airline Support Engineer
ASE Auto Slat Extend
ASF Amperes per Square Foot
ASG ARINC Signal Gateway
ASG APU Starter Generator
ASI Airspeed Indicator
ASI Air Safety Investigation
A/SKID Anti Skid
ASM American Society for Metals
ASM Airspeed Mode
ASM Autothrottle Servo Motor
AS/M Airspeed/Mach
ASME American Society of Mechanical Engineers
ASN Assigned System Number
ASN Airplane Serial Number
ASP Audio Selector Panel
ASP Altitude Select Panel
ASP Aspirated (tat probe)
ASPD Airspeed
ASR Airport Surveillance Radar
ASS Auxiliary Spar Station
ASSEM Assemble
ASSY Assembly
AST Automatic Stabilizer Trim
A/STAB Auto Stabilizer
ASTM American Society for Testing and Materials
ASTP Automatic Stabilizer Trim Potentiometer
ASTU Automatic Stabilizer Trim Unit
ASU Attendant Service Unit
ASU APU Starter Generator
ASWC Advanced Stall Warning Card
ASYM Asymmetry
ASYM Asymmetric, Asymmetrical
AT Autothrottle
A/T Autothrottle
A/T Adjustment/Test
A&T Assembly and Test
ATA Air Transport Association
ATA Actual Time of Arrival
ATB Air Turn Back
ATC Air Traffic Control
ATC Accelerometer Test Complete
ATCH Attach, Attachment
ATCK Attack
ATCN Advance Tool Change Notice
ATCRB Air Traffic Control Radar Beacon
ATCRBS Air Traffic Control Radar Beacon System
ATCSS Air Traffic Control Data Link Signaling System
ATCT Air Traffic Control Tower
ATE Automatic Test Equipment
ATE Automated Test Equipment
ATE Auto Throttle Engaged
ATEC Automatic Test Equipment Complex
AT ENG Auto Throttle Engaged
A/THR Automatic Thrust
ATI Advanced Technology Interior
ATI Auto Throttle Inhibit
ATIS Air Terminal Information Service
ATIS Automatic Terminal Information Service
ATLAS Abbreviated Test Language for Avionics Systems
ATM Air Turbine Motor
ATM Available Ton-Mile
ATM Atmosphere
ATMS Advanced Text Management System
ATOR Auto Throttle Override
ATR Austin-Trumbull-Radioracking
ATR Automatic Thrust Restoration
ATR Auto Tune Radio
ATS Auto-Throttle System
ATS Auto Throttle Servo
ATS Automatic Test Station
ATS ACESS Test System
ATSCV Air Turbine Starter Control Valve
ATSD Auto Throttle Servo Disconnect
ATSEL Altitude Select
ATT Attitude
ATT Flight Attendant
ATTC Automatic Takeoff Thrust Control
ATTD Attitude
ATTEN Attenuation, Attenuator
ATTEND Attendant
ATTF Attitude Flag
ATTN Flight Attendant
ATTN Attention
ATTND Flight Attendant
ATT REF Attitude Reference
4 REV. OCT. 00
AIRCRAFT ABBREVIATIONS & ACRONYMS
ATV Auto Trim Valid
ATZ Aerodrome Traffic Zone
AUD Audio
AUD Audible
AUG Augment, Augmentation
AUT Automatic
AUTH Authorize, Authority
AUTO Automatic
AUTOCAL Autocalibration
AUTODADS Automatic Digital Air Data Computer Selection
AUTOLAND Automatic Landing
AUW All-Up Weight
AUX Auxiliary
AV Average
AV Altitude Hold Validity
AVAIL Available
AVC Automatic Volume Control
AVG Average
AVIONICS Aviation Electronics
AVM Airborne Vibration Monitor
AVN Aviation
AVNCS Avionics
AVPAC Aviation VHF Packet Communications
AVRS Audio/Video Recording System
AVS Audio Visual System
AVSAT Aviation Satellite
AVT Audio Visual Training
AVT Audio Visual Tutorial
AWACS Airborne Warning And Control System
AWB Air Way Bill
AWG American Wire Gauge
AWG Audible Warning Generator
AWLS All Weather Landing System
AWN Airworthiness Notice
AWOS Automatic Weather Observing System
AWS American Welding Society
AWU Aural Warning Unit
AWY Airway
AX Access Authorized
AX Longitudinal Acceleration
A/XFMR Autotransformer
AY Lateral Acceleration
AY Assembly
AZ Azimuth
AZ Vertical Acceleration
AZFW Actual Zero Fuel Weight
B Blue
B Both
BA Bundle Assembly
BA Balance Arms
B/A Bank Angle
BAC Boeing Standards
BACD Boeing Design Detail
BACS Bleed Air Control System
BAF Baffle
BAL Balance
BAL Basic Assembly Language
BALTI Inertial Barometric Altitude
BAP Bank Angle Protection
BAR Barometric, Barometer

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BAR Barometric Altitude Rate
BAR Bleed Air Regulator
BARC Barometric Altitude Rate Computer
BARF Barometric Altitude Rate Flag
BARO Barometric
BAT Battery
BATT Battery
BAV Bleed Air Valve
BB Bar Bias
BB Broad Band
BB Ball Bearing
B/B Back Beam
BBL Body Buttock Line
BBRG Ball Bearing
BC Back Course
BC Baggage Container
BCAA British Civil Aviation Authority
BCAG Boeing Commercial Airplane Group
BCAR British Civil Airworthiness Requirements
BCAS Beacon Collision Avoidance
BCD Binary Coded Decimal
BCF Bromochlorodifluoromethane
BCK Back
BCLM Baggage/Cargo Loading Manual
BCN Beacon
BCR BOECOM Change Report
BCRS Backcourse
B/CRS Backcourse
BCS Block Check Sequence
BCS Boeing Computer Services
BCSM Boeing Customer Services Manager
BCSR Boeing Customer Services Representative
BCU Bus Control Unit
BCU Battery Control Unit
BCU Brake Control Unit
BCV Bore Cooling Valves
BD Beginning of Descent
BD Board
B/D Bottom of Descent
B/D Bearing/Distance
BDL Bundle
BDS Boeing Design Standard
BDY BLK Burndy Block
Be Baume
BED Beam Error Detector (glideslope)
BEL CRK Bellcrank
BER Beyond Economical Repair
BETA Sideslip Suppression System
BETA Angle of Sideslip
BETW Between
BEV Bevel
BEW Basic Empty Weight
BFDAS Basic Flight Data Acquisition System
BFE Buyer Furnished Equipment
5 REV. OCT. 00
AIRCRAFT ABBREVIATIONS & ACRONYMS
BFO Beat Frequency Oscillator
BFR Buffer
BFR Before
BFS Boeing Field Service
BG Body Gear
BG Build Group
BGC Build Group Component
BGM Boarding Music
BGS Build Group Stack-up
BGW Basic Gross Weight
BH Brinell Hardness
BHD Bulkhead
BHE Bank Hold Mode Engaged
BHN Brinell Hardness Number
BHP Brake Horsepower
BHP-HR Brake Horsepower Hour
BIFI Bifurcation
BIFUR Bifurcation
BIST Built in Self Test
BIT Built-In-Test
BITE Built-In-Test-Equipment
BK Brake
BK Black
BK Book
BKGD Background
BKGRD Background
BKR Breaker
BL Buttock Line
BL Bleed
BL Brake Lever
B/L Blue Line
BLC Boundary Layer Control
BLD Bleed
BLDG Building
BLG Body Landing Gear
BLK Black
BLKHD Bulkhead
BLKT Blanket
BL-L Buttock Line Left
BL-R Buttock Line Right
BLO Buttock Line Zero
BLO Below
BLO Blower
BLS Bezel Light Sensor
BLSA Beam Level Switch A
BLSB Beam Level Switch B
BLST Ballast
BLT Bolt
BLU Blue
BLV Bleed Valve
BLW Below
BM Beam
BM Back Course Marker
BM Bulk Material
BMEP Brake Mean Effective Pressure
BMS Boeing Material Specification
BMT Boeing Materials Technology
BMV Brake Metering Valve
BND Bonded
BNDG Bonding
BNDRY Boundary
BNR Binary
BNR Binary Numerical Reference
BNY Binary
BO Blocking Oscillator
BOD Bottom Of Descent
BOECOM Boeing Communications
BOH Break-Off Weight
BOLD Boeing On Line Data
BOT Bottom
BOT Beginning Of Tape
B/OUT Breakout
BOV Bar Out of View
BOV Biased Out of View
BP Bandpass
BP Bottom Plug
BP Blueprint
BP Baseline Program
BPCU Bus Power Control Unit
BPI Brake Pressure Indicator
BPI Boeing Process Instruction
BPP Bus Protection Panel
BPS Boeing Part Specifications
BR Buildup Relay
BR Brown
BRC Brace
BRD Braid
BRD Boarding
BRDG Bridge
BRG Bearing
BRIL Brilliance
BRK Brake
BRKR Breaker
BRKRS Breakers
BRKS Brakes
BRKT Bracket
BRN Brown
BRP Body Reference Plane
BRT Bright, Brightness
BRZ Bronze
BS Body Station
BSC Basic
BSCU Brake System Control Unit
B/SEC Bits per Second
BSHG Bushing
BSOPM Boeing Standard Overhaul Practices Manual
BSS Boeing Support Standard
BSSI Boeing Support Services International
BST Boost
BSTA Body Station
B STA Body Station
BSU Beam Steering Unit
BSV Burner Staging Valve
BSWPM Boeing Standard Wiring Practices Manual
BSY Busy
BT Bus Tie
BT Bogie (truck) Tilt
BTB Bus Tie Breaker
BTBS Bus Tie Breakers
BTC Bus Transfer Contactor
BTL Bottle
BTLCS Brake Torque Limiting Control System
BTMU Brake Temperature Monitor Unit
BTN Button
BTN Boeing Telecommunications Network
BTR Bus Tie Relay

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BTRY Battery
BTS Boeing Technology Services
BTU British Thermal Unit
BU Battery Unit
BU Back Up
BUCCS Boeing Uniform Classification and Coding
System
BUG Reference Marker (A/S or EPR)
BUT Button
BVA Bleed Valve Actuator
6 REV. OCT. 00
AIRCRAFT ABBREVIATIONS & ACRONYMS
BVA Bleed Valve Angle
BVCU Bleed Valve Control Unit
BWL Body Water Line
BYP Bypass
BZO Benzyl Peroxide
C Common
C Centigrade, Celsius (degrees)
C Center
C Cold
C Clear
C Close
C Captain
C Convertible
C Cyan
C Comparator
C Capacitor
CA Cable
CAA Civil Aviation Authority
CAA Civil Airworthiness Administration
CAB Cabin
CAB Civil Aeronautics Board
CAB PRESS Cabin Pressurization
CAC Caution Advisory Computer
CAC Center Accessory Compartment
CACC Cargo Air Conditioning Card
CACP Cabin Area Control Panel
CACTCS Cabin Air Conditioning and Temperature
Control System
CACV Condition Air Check Valve
CAD Computer Aided Design
CAD Central Air Data
CAD Cadmium
CADC Central Air Data Computer
CADS Central Air Data System
CAE Computer Aided Engineering
CAF Coarse Alpha Fail
CAGE Commercial And Government Entity
CAH Cabin Attendant Handset
CAI Combustion Area Inspection
CAI Cabin Altitude Indicator
CAL Calibrate, Calibration
CAL Comparator Autoland
CAL Comparator Aileron
CALC Calculate
CALC Cargo Acceptance and Load Control
CALIB Calibrator
CALSEL Call Select
CAM Camera
CAM Computer Aided Manufacturing
CAM Crew Alertness Monitor
CAN Canopy
CAN Comparator Accelerometer
CANC Cancel, Cancelled
CANTIL Cantilever
CAO Cargo Aircraft Only
CAP Capture
CAP Capacitor
CAP Capacity
CAP Cap and Stow
CAPLTY Capability
CAPT Captain
CAR Cargo
CAR Computer Aided Recertification
CAR Civil Air Regulation
CARP Carpet
CARR Carrier
CAS Computed Air Speed
CAS Calibrated Air Speed
CAS Calculated Air Speed
CAS Collision Avoidance System
CAS Customer Assembled Spare
CASS Casserole
CASV Computed Airspeed Validity
7 REV. OCT. 00
AIRCRAFT ABBREVIATIONS & ACRONYMS
CAT Category
CAT Clear Air Turbulence
CATS Computer Aided Training System
CATIA Computer-Aided Three-dimensional Interactive
Applications
CAU Circular Area Units
CAUT Caution
CAWC Central Aural Warning Computer
CAWP Caution And Warning Panel
CAWS Central Aural Warning System
CAY Comparator Lateral Accelerometer
CB Circuit Breaker
C/B Circuit Breaker
CBAL Counterbalance
CBIT Continuous Built-In-Test
CBM Check Balance Moment
CBMS Circuit Breaker Monitoring System
CBO Cycles Between Overhaul
CBORE Counterbore
CBP Compressor Bleed Pressure
CBR California Bearing Ratio
CBS Circuit Breakers
CBS Cutback Stator
CBSV Cycles Between Scheduled Visits
CBT Computer Based Training
CBT Circuit Breaker Panel
CC Compass Coupler
CC Combustion Case
CC Cubic Centimeter
CCA Central Control Actuator
CCA Circuit Card Assembly
CCB Converter Circuit Breaker
CCC Crash Crew Cart
CCC Compressor Clearance Control
CCCV Core Compartment Cooling Valve
CCD Comparator Course Data
CCD Cursor Control Device
CCDL Cross Channel Data Link
CCG Customer Configuration Guide
CCIO Central Customer Information Organization
CCL Cargo Control Logic
CCM Cargo Control Module
CCQ Crew Cross Qualification
CCR Credit Card Reader
CCS Cabin Configuration System
CCSD Configuration Change Support Data
CCTM Cabin Configuration Test Module
CCU Cargo Control Unit
CCU Cabin Control Unit
CCV Customized Chapters Volume
CCW Counter Clockwise
CCW Curtailment Check Weight
CCWS Comparator Control Wheel Steering
CD Control Display
CD Case Drain
CD Cold Drawn
CD Count Drag
C/D Case Drain
CDB Configuration Database
CDC Cyclic Redundancy Code
CDE Consumption Data Exchange Card
CDG Configuration Database Generator
CDI Course Deviation Indicator
CDL Configuration Deviation List
CDL Configuration Data Loader
CD MON Course Datum Monitor
CDP Compressor Discharge Pressure
CDP Control and Dim Panel (EFIS)
CDR Customer Data Requirement
CDS Cold Drawn Steel
CDS Common Display System
CDT Cabin Data Terminal
CDU Control Display Unit
CDU Center Drive Unit
CDU Cockpit Display Unit
C/DU Control/Display Unit
CDX Control Differential Transformer
CDX Controlled Differential Transformer
CEB Customer Engineering Bulletin
CEC Combi Exhaust Controller
CEGT Corrected EGT
CEL Celestial
CENT Centrifugal
CERT Certify
CESM Commercial Engine Service Memorandum
CEU Converter Electronics Unit
CEU Cargo Electronics Unit
CEV Clutch Electro Valve
CF Course to a Fixed Waypoint
CF Control Wheel Force
CF Centrifugal Force
CF Checking Fixture (tool)
CF Cost Factor
CFAIL Critical Failure
CFD Comparator Flight Director
CFD Continuous Fire Detection
CFD Comparator Faded Decrab
CFDIU Central Fault Display Interface Unit
CFDU Continuous Fire Detection Unit
CFE Customer Furnished Equipment
CFH Cubic Feet per Hour
CFM Cubic Feet per Minute
CFMI CFM International
CFPT Computer Flight Plan Time
CFR Code of Federal Regulations
CFRP Carbon Fiber Reinforced Plastic
CFS Cold Finished Steel
CFS Cubic Feet per Second
CG Center of Gravity
CG Centigram
CGF Color Guard Fabric
CGG Cool Gas Generator
CGM Computer Graphics Metafile
CGO Cargo
CGS Centimeter-Gram-Second
CH Channel
CH Chromel
CH Center Hatrack
CH Charge
CH* Comparator Vertical Rate
CH-A Channel A
CHAM Chamfer
CHAN Channel
CHAR Character
CHAS Chassis
CHAV Compressor Heating Air Valve
CH-B Channel B
CHEM Chemical
CHG Charge
CHG Change
CHGR Charger
CHK Check
CHK GWT Check Gross Weight
CHKPT Checkpoint
CHM Chime
CHMBR Chamber
8 REV. OCT. 00
AIRCRAFT ABBREVIATIONS & ACRONYMS
CHNG Changer, Changeover
CHNGS Changes
CHNL Channel
CHR Chronograph
CHRGR Charger
CHRO Chronometer
CHRONO Chronometer
CI Cast Iron
CI Course to an Intercept
CI Cost Index
CI Cabin Interphone
CIC Cabin Interphone Controller
CIC Corrosion Inhibiting Compound
CIH Cabin Interphone Handset
CIM Continuous Image Microfilm
CIP Cost Improvement Program
CIP Cartridge In Place
CIP Cabin Interphone
CIR Circular
CIRC Circulate
CIRC Circumference
CIS Cabin Interphone System
CIS Cycles In Service
CIT Compressor Inlet Temperature
CIWS Central Instrument Warning System
CK Check
CKD Checked
CKPT Cockpit
CKS Countersink
CKT Circuit
CKTS Circuits
CL Climb
CL Center Line
CL Close
CL Center of Lift
CL Clip
CL Clutch
CL Centiliter
C/L Check List
C/L Center Line
C/L Cumulative Line (position)
CLA Condition Lever Angle
CLASS Classification
CLB Climb
CLCP Central Lateral Control Package
CLD Closed
CLG Ceiling
CLG Cooling
CLK Clock
CLN Colon
CLNG Cooling
CLNR Cleaner
CLOG Clogging
CLP Clamp
CLPR Clapper
CLQ Closed Loop Torque function
CLR Clear
CLR Clearance (altitude)
CLR ALT Clearance Altitude
CLRD Cleared
CLS Cabin Lighting System
CLS Cargo Loading System
CLS Continuous Level Sensor
CLSD Closed
CLSG Closing
CLTM Component Location Training Manual
CLV Clevis
CM Centimeter
CM Crew Member
CM Call Maintenance
CM Collective Modification
CM Condition Monitoring
CM Continuous Monitor
CMA Comma
CMC Central Maintenance Computer
CMCF Central Maintenance Computing Function
CMCS Central Maintenance Computer System
CMD Command
CMDD Command Drive (solenoid hold)
CMDHS Command Hold Solenoid
CMDS Command Switch
CMEU Cabin Management Expansion Unit
CMFLR Cam Follower
CMM Component Maintenance Manual
CMM Common Mode Monitor
CMO Certification Management Office (FAA)
C-MOS Complementary Metal Oxide Semiconductor
CMP Customized Maintenance Program
CMP Configuration, Maintenance, Procedures
(document)
CMP Condition-Monitoring Program
CMPLRY Complementary
CMPNT Compartment
CMPNT Component
CMPS Compass
CMPS Centimeters Per Second
CMPS Computerized Maintenance Planning System
CMPS CPLR Compass Coupler
CMPTG Computing
CMPTR Computer
CMR Certification Maintenance Requirement
CMRB Condition Monitoring Review Board
CMRLR Cam Roller
CMS Central Maintenance System
CMS Cabin Management System
CMS Code Material Society
CMT Cabin Management Terminal
CMU Central Management Unit
CN1 Corrected N1
CN2 Corrected N2
CNA Common Nozzle Assembly
CNCT Connect
CNCTD Connected
CNCTN Connection
CNCTR Connector
CNCTRC Concentric
CNCV Concave
CND Conduit
CNI Communications, Navigation, and
Identification
CNTL Control
CNTNR Container
CNTOR Contactor
CNTR Counter
CNTRL Control
CNX Cancelled
CO Company
CO Cut-Off
CO Change Order

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C/O Change Over
CO2 Carbon Dioxide
COAX Coaxial
COC Customer Originated Change
COCC Combustion Chamber Outer Case (JT8D)
COD Cash On Delivery
COEF Coefficient
9 REV. OCT. 00
AIRCRAFT ABBREVIATIONS & ACRONYMS
COF MKR Coffee Maker
COHO Coherent Oscillator
COL Column
COLL Collision
COM Common
COM Camout Monitor
COM Communication
COMB Combined
COMD Command
COMM Communications
COMM Common
COMM Commutator
COMND Command
COMND SP Command Speed
COMP Compass
COMP Compartment
COMP Compressor
COMP Computer
COMP Compare, Comparator
COMP Compensator
COMPL Complete, Completed
COMPR Compressor
COMPT Compartment
COMPTR Computer
COMSAT Communications Satellite
COMPSN Compensation
COMPT Compartment
COMPTR Comparator
COMTN Commutation
CON Continuous
CON Maximum Continuous Thrust
CON Control, Control Panel
CON Conversation
COND Condition, Conditioning
CONDTN Condition
CONDTR Conditioner
CONF Confidence, Confidential
CONFG Configuration
CONFIG Configuration
CONN Connect, Connection, Connector
CONST Constant
CONT Contour
CONT Continue, Continued, Continuous
CONT Control
CONT Contactor
CONT Controller
CONT PNL Control Panel
CONTR Controller
CONT WHL Control Wheel
CONV Converter, Conversion
CONVERG Convergence
COOL Cooling, Cooler
COOL Coolant
COORD Coordinate, Coordination
COPI Copilot
COR Corrector
CORCTD Corrected
CORR Correct, Correction
CORR Corrugate, Corrugation
CORR Corrosion
CO RTE Company Route
COS Cosine
COT Cotter
COT Cotangent
COV Cover
COWL Cowling
CP Control Panel
CP Clock Pulse
CP Comparator
CP Center of Pressure
CP Candle Power
CP Corrosion Prevention
CP Core Partition
C/P Cleaning/Painting
CPBE Crew Protective Breathing Equipment
CPC Cabin Pressure Controller
CPCP Corrosion Prevention and Control Program
CPCPS Corrosion Prevention and Control Programs
CPCS Cabin Pressure Control System
CPCU Cabin Pressure Control Unit
CPF Corrosion Prevention Fluid
CPI Crash Position Indicator
CPL Couple
CPLD Coupled
CPLG Coupling
CPLR Coupler
CPM Corrosion Prevention Manual
CPM Cycles Per Minute
CPM Core Processing Module
CPMU Cabin Passenger Management Unit
CPO Crew Performance Objectives
CPRSR Compressor
CPS Cycles Per Second
CPSH Control Panel Solenoid High Side
CPT Capture
CPTC Corrosion Prevention Task Cards
CPU Central Processing Unit
CQS Customer Quality Support
CR Cruise
CR Change Request
CR Crew
CR Cold Rolled
CR Complete Revision
CRA Crew Rest Area
CRC Continuous Repetitive Chime
CRC Cyclic Redundancy Check
CRDS Customer Requirements Distribution System
CRE Corrosion-Resistant
CRES Corrosion Resistant Steel
CRF Compressor Rear Frame
CRG Carriage
CRG Cargo
CRG RTN Carriage Return
CRI Certification Review Item (JAA)
CRIT Critical
CRK Crank
CRKG Cranking
CRL Collar
CR MOLY Chrome Molybdenum
CRNGRPH Chronograph
CRO Comparator Rollout
CRPOS Crew Position
CRS Course
CRS Cold Rolled Steel
CRSN Corrosion
CRSVR Crossover
CRT Cathode Ray Tube
CRT Complete Revision Telex
CRT Critical
CRTL Critical
CRU Card Reader Unit
CRZ Cruise
CS Call Switch
CS Centistokes
CS Control Switch
CS Comparator Servo Monitor
10 REV. OCT. 00
AIRCRAFT ABBREVIATIONS & ACRONYMS
CS Cabin Cleaner Steps
CS Control Ship code (Sonic)
C/S Center Section
CSB Component Service Bulletin
CSC Cosecant
CSCP Cabin System Control Panel
CSD Constant Speed Drive
CSE Course Set Error

帅哥

CSE Customer Support Engineering
CSEU Control Systems Electronic Unit
CSI Cycles Since Installation
CSI Computer Software Index
CSK Countersink
CSKH Countersunk Head
CSL Console
CSM Cabin System Module
CSM Cabin Service Module
CSM Command and Service Module
CSM Computer Software Manual
CSMS Customer Services and Material Support
CSMU Cabin System Management Unit
CSN Catalog Sequence Number
CSQ Quiet Climb System (FMC)
CSR Customer Service Representative
CSRM Computing Security Requirements Manual
CSS Channel Select Switch
CSS Cabin Service System
CSTG Casting
CSTR Constraint
CSV Cycles Since Last Shop Visit
CSU Central Switching Unit
CT Control Transformer
CT Current Transformer
CT Confidence Test
CT Center Tap
CT Center Tape
CT Cost
CT Comparator Throttles
C/T Common To
CTA Current Transformer Assembly
CTA Control Area
CTAI Cowl Thermal Anti-Ice
CTAS Comparator True Airspeed
CTC Cabin Temperature Controller
CTD Column Timer Decoder
CTD Cross Track Deviation
CTF Central Test Facilities
CTFOS Customer Training and Flight Operations Support
CTG Comparator Takeoff and Go Around
CTK Capacity Tonne Kilometre
CTL Control
CTL Central
CTM Cycle Time Monitor
CTM/POR Cycle Time Monitor/Power On Reset
CTN Caution
CTR Center
CTR Contour
CTR Control Zone
CTRD Centered
CTRL Control
CTS Contrast
CTS Clear To Send
CTSK Countersunk
CTU Cabin Telecommunications Unit
CTW Center Wing Tank
CTWT Counterweight
CU Computer Unit
CU Control Unit
CU Cubic
Cu Copper
CU FT Cubic Foot
CU IN Cubic Inch
CUM Cumulative
CUR Current
CUST Customer
CV Control Valve
CV Check Valve
CVR Cockpit Voice Recorder
CW Clockwise
CW Continuous Wave
CW Control Wheel
CW Caution and Warning
C/W Caution and Warning
C&W Caution and Warning
CWD Control Wheel Disconnect
CWE Control Wheel Engaged
CWF Control Wheel Force
CWG Cockpit Working Group
CWS Control Wheel Steering
CWSD Control Wheel Steering Solenoid Drive
CWSHS Control Wheel Steering Hold Solenoid
CWSS Control Wheel Steering Switch
CWT Center Wing Tank
CWY Clearway
CX Control Transmitter
CXN Cancellation
CY Calendar Year, Current Year
CYL Cylinder
11 REV. OCT. 00
AIRCRAFT ABBREVIATIONS & ACRONYMS
D Derated
D Delayed
D Diameter
DA Drift Angle
DA Direct Access
DA Double Amplitude
D/A Digital-to-Analog
DAA Digital Analog Adapter
DABS Discrete Address Beacon System
DAC D/A Converter
DAC Digital Audio Control
DAC Double Annular Combustor
DADC Digital Air Data Computer
DADS Digital Air Data System
DAES Digital Audio Entertainment System
DANA Dual Autoland Not Available
D APSE Delayed Autopilot Servo Engaged
DAR Digital Aids Recorder
DAR Designated Airworthiness Representative
DAS Directional Autopilot Servo
DAS/STC Designated Alteration Station/ Supplemental
Type Certificate
DATR Digital Audio Tape Reproducer
DAV Drift Angle Valid
DB Decibel
DB Data Base
DBL Data Base Loader
DBLR Doubler
DBM Decibels (referenced to a milliwatt)
DBT Design Build Team
DC Direct Current
DC Disposition Code
DC Descent
DC Diffuser Combustor
DCAS Digital Controlled Audio System
DCCS DC Current Sensors
DCD Double Channel Duplex
DCD Decode, Decoder
DCDC Delayed Comparator DC
DCDR Decoder
DCGF Data Conversion Gateway Function
DCIR DC Isolation Relay
DCMF Data Communication Management Function
DCMS Data Communication Management System
DCN Drawing Change Notice
DCNT Descent
DCPC Digital Cabin Pressure Controller
DCPCS Digital Cabin Pressure Control System
DCPIU Direct Current Power Isolation Unit
DCR Drawing Change Request
DCS Double Channel Simplex
DCS Designated Certification Specialist
DCTU DC Tie Control Unit
DCU Digital Computer Unit
DCU Dimmer Control Unit
DCU Data Control Unit
DCV Directional Control Valve
DCVR Direct Current Voltage Ratio
DD Drift Down
DD DME-DME
D/D Engine Out Drift Down Point
DDA Digital Differential Accumulation
DDG Dispatch Deviation Guide
DDI Design Drawing Instruction
DDI Documentary Data Insert
DDM Digital Data Module
DDM Difference in Depth of Modulation
DDPG Dispatch Deviations Procedures Guide
DDRMI Digital Distance and Radio Magnetic Indicator
D/DT Differential of D-Mux Demultiplexer
DDU Deceleration Detector Unit
D/E Decoder/Encoder
DEC Decrease
DEC Declination
DEC Decimal
DEC Decrement
DECEL Deceleration, Decelerate
DECIS Decision
DECR Decrease
DED Dedicated
DED Dead Ended (shield)
DEDP Data Entry and Display Panel
DEF Definite, Definition
DEFDARS Digital Expandable Flight Data Acquisition and
Recording System
DEFL Deflect, Deflection
DEG Degrees
DEG Degrade
DEL Delete, Deleted
DEL Delay Message
DEL Diagram Equipment List
DEL BY Deleted By
DELE Delete
DELTA P Differential Pressure
DEM Demand
DEMOD Demodulator
DEMUX Demultiplexer
DE-MUX Demultiplexer
DEP Departure
DEP Data Entry Panel
DEP Data Entry Plug
DEP Depressurize
DEP ARR Departure/Arrival
DEP/ARR Departure/Arrival
DEPLD Deployed
DEPR Depressurize
DEPRESS Depressurization
DEPT Departure
DEPT Department
DER Derating
DER Designated Engineering Representative (FAA)
DER I Derate 1
DER II Derate 2
DES Descent
DEST Destination
DESTN Destination
DET Detent
DET Detect, Detector, Detection
DET Detached
DET Detailed
DETN Detection
DETNT Detent
DEU Display Electronics Unit
DEU Densitometer Electronics Unit
DEV Deviation
DEVN Deviation
DEX Access Demanded
DF Direction Finder
DF Default
DFA Delayed Flaps Approach
DFCS Digital Flight Control System
DFDAC Digital Flight Data Acquisition Card
DFDAF Digital Flight Data Acquisition Function
DFDAMU Digital Flight Data Acquisition/ Management
Unit
DFDAU Digital Flight Data Acquisition Unit
12 REV. OCT. 00
AIRCRAFT ABBREVIATIONS & ACRONYMS
DFDR Digital Flight Data Recorder
DFFN Dribble Flow Fuel Nozzles
DFGC Digital Flight Guidance Computer
DFGCP Digital Flight Guidance Control Panel
DFR Digital Flight Recorder
DFR Defrosting
DFRS Digital Flight Recorder System
DFT Drift
DFT Design Facility Tool
DG Directional Gyro
DG Dedicated Generator
DGAC Direction Generale de L'Aviation Civile
DGCU Dedicated Generator Control Unit
DGTL Digital
DH Decision Height
DI Data Input
DI De-icing
DIA Diameter
DIAG Diagonal
DIAG Diagram
DIAPH Diaphragm
DIB Diiodobutane
DID Design and Implementation Drawing
DIFF Differential, Difference
DIG Digital
DIGT Digital
DIM Dimension
DIM Dimming, Dimmer
DIP Dual Inline Package
DIPLXR Diplexer
DIR Direct, Director
DIR Direction, Directional
DIR INTC Direct Intercept
DIR TO Direct To
DIS Display
DIS Distance
DIS Disagreement
DIS Discard
DISAG Disagree
DISC Disconnect, Disconnected
DISCH Discharge, Discharged
DISCONT Discontinued
DISCR Discrete

帅哥

DISCTN Disconnection
DISENG Disengage
DIS-IN Discrete Inputs
DISP Dispatch
DISPL Display
DISPL Displacement
DISRMD Disarmed
DIST Distance
DISTR Distribution
DITS Digital Information Transfer System
DIU Digital Interface Unit
DIV Division
DIV Diversion
DJ Drill Jig
DK Deck
DL Data Link
D&L Down and Locked
DLA Delay
DLC Direct Lift Control
DLC ENG Direct Lift Control Engaged
DLCNFF Direct Lift Control No First Fail
DLCS Direct Lift Control Servo
DLCV Direct Lift Control Validity
DLD Dynamic Load Damper
DLDR Data Loader
DLGF Data Load Gateway Function
DLODS Duct Leak and Overheat Detection System
DLS Data Load System
DLU Data Loader Unit
DLW Design Landing Weight
DLY Delay
DMA Direct Memory Access
DMB Dead Main Bus
DMC Design Modification Committee
DMC Direct Maintenance Costs
DME Distance Measuring Equipment
DMEP Data Management Entry Panel
DMM Data Memory Module
DMP Display Management Processor
DMPR Damper
DMR Dimmer
DMS Debris Monitoring System
DMU Data Management Unit
DN Down
DNA Does Not Apply
DN/RT Down Right
DNTK Downtrack
DNTKFX Down Track Fix
DO Data Output
D&O Description and Operation
DOC Direct Operating Cost
DOC Document
DOC.DATA Documentary Data
DOT Differential Oil Temperature
DOT Department of Transport
DOW Dry Operating Weight
DOZ Dozen
DP Differential Protection
DP Departure
DP Differential Pressure
DP Display Partition
DPCT Differential Protection Current Transformer
DPCU Digital Passenger Control Unit
DPDT Double Pole Double Throw
DPI Differential Pressure Indicator
DPI Delta Pressure Indicator
DPI Digital Performance Information
DPL Detailed Parts List
DPR Differential Protection Relay
DPR Dual Pressure Rated
DPRR Discretionary PRR
DPST Double Pole Single Throw
DPV Directional Pilot Valve
DPV Dual Purpose Valve
DR Door
DR Dead Reckoning
DR Drive
DR Drain
D/R Dead Reckoning
DRAM Dynamic Random Access Memory
DRATE Derate
DRMI Distance Radio Magnetic Indicator
DRS Doors
DRT Derate
DRVG Driving
DRVN Driven
DRVR Driver
DRWY Doorway
DS Destination
DS Directionally Solified
DS Discard
DSA Detailing Sensor Assembly
DSAP Disappearance
13 REV. OCT. 00
AIRCRAFT ABBREVIATIONS & ACRONYMS
DSB Double Sideband
DSBL Disable
DSCD Descend
DSCRM Discriminator
DSCRT Discrete
DSCRT IO Discrete Input/Output
DSDU Data Signal Display Unit
DSENG Disengage
DSENGD Disengaged
DSF Display System Function
DSMS Design Success Measurement System
DSNT Descent
DSP Display Select Panel
DSP Display
DSP Digital Signal Processing
DSPL Display
DSPLY Display
DSR Desired (altitude)
DSRTK Desired Track Angle
DSS Detailed System Specification
DSWC Digital Stall Warning Computer
DTB Dead Tie Bus
DTD Dated
DTD Document Type Definition
DTF Design Facility Tool
DTG Distance To Go
DTK Desired Track (angle)
DTM Display Transfer Module
D-TO Derated Takeoff Limit
DTR Damage Tolerance Rating
DTS Dual Temperature Sensor
DT SHIP Date Shipped (Sonic)
DU Display Unit
DUDB Display Unit Database
DUM Dummy
DUP Duplicate
DV VOR/DME
DVI Detail Visual Inspection
DWG Drawing
DWL Diagram Wire List
DX Access Demanded
DYB Dynamic Braking
DYN Dynamic
DYNM Dynamotor
DYNMTC Dynamometric
E East
EA Each
EACS Electronic Automatic Chart System
EAD Engine and Alert Display
EADB Enhanced Area Distribution Box
EADI Electronic Attitude Director Indicator
EAI Engine Anti-Ice, Engine Anti-Icing
EAMR Engineering Advanced Material Release
EAROM Electrically Alterable Read Only Memory
EAS Equivalent Airspeed
EAS Elevator Autopilot Servo
EAT Expected Approach Time
EAU Engine Accessory Unit
EB Electron Beam
EBCC ECS Bleed Configuration Card
EBG Engine Build Group
EBL Engine Buttock Line
EBS Engine Bleed System
EBS Engine Build Specification
EBU Engine Build Up
EC Engine Control
E/C Economy Class
ECAM Electronic Centralized Aircraft Monitoring
ECB Electronic Control Box (APU)
ECC Equipment Cooling Card
ECC Eccentric
ECCS Equipment Cooling Control System
ECD Electrocardiogram
ECD Estimated Completion Date
ECM Engine Condition Monitoring
ECM Electro-Chemical Machining
ECM Electronic Countermeasures
ECM Engineering Change Memo
ECON Economy
ECON Economic
ECP ECAM Control Panel
ECP Engineering Change Proposal
ECR Engineering Change Request
ECS Environmental Control System
ECS Electronic Cooling System
ECS Engine Control System
ECSF Engine Control System Fault
ECSL Left Environmental Control System card
ECSMC Environmental Control Systems Miscellaneous
Card
ECSR Right Environmental Control System card
ECU Electronic Control Unit (APU)
ECU Engine Control Unit (G.E. engine)
ECV Economy Cooling Valve
ED End of Descent
ED Edge Distance
ED End of Display
E/D End of Descent
E*D End of Descent
EDHP Engine-Driven Hydraulic Pump
EDI Engine Data Interface
EDIU Engine Data Interface Unit
EDM Engine Data Multiplexer
EDM Electric Discharge Machine
EDM Electro-Discharge Machining
EDMC Engineering Drawing Microfilm Card
EDP Engine Driven Pump
EDP Electronic Data Processing
EDP Engine Display Panel
EDPE Electronic Data Processing Equipment
EDSD Electrostatic Discharge Sensitive Device
EDTA Ethylenediamine Tetraacetate
E/E Electrical/Electronics
14 REV. OCT. 00
AIRCRAFT ABBREVIATIONS & ACRONYMS
E/E Electronic Equipment
E & E Electronic Equipment
EEBD Emergency Escape Breathing Device
EEC Electronic Engine Control
EEC Electronic Engine Controller
EEC Electronic Equipment Compartment
EECM Electronic Engine Control Monitor
EECS Electronic Engine Control System
EEPROM Electrically Erasable Programmable Read-Only
Memory
EEROM Electrical Erasable Read Only Memory
EF Existing Faults (CMC)
EFAS Enroute Flight Advisory System
EFC Elevator Feel Computer
EFC Expected Further Clearance (time)
EFCC Electronic Flight Control Computer
EFCS Electronic Flight Control System
EFCU Electronic Flight Control Unit
EFCU Elevator Feel and Centering Unit
EFDARS Expandable Flight Data Acquisition and
Recording System
EFDS Engine Fault Display System
EFDU Engine Fault Display Unit
EFF Effective, Effectivity
EFF Efficiency
EFI Electronic Flight Instrument
EFIS Electronic Flight Instrument System
EFIS CP EFIS Control Panel
EFISSG EFIS Symbol Generator
EFIS SGU EFIS Symbol Generator Unit
EFSG EFIS Symbol Generator
EG For Example
EGA Extra Ground Attenuation
EGT Exhaust Gas Temperature
EGT Engine Gas Temperature
EHF Extremely High Frequency
EHM Engine Health Monitoring
EHS Extra High Shear
EHSI Electronic Horizontal Situation Indicator
EHSV Electro-Hydraulic Servo Valve
EHV Electro-Hydraulic Valve
EICAS Engine Indication & Crew Alerting System
EICAS/CP EICAS Control Panel
EIS Electronic Instrument System
EIS Engine Instrument System
EIS Engine Indicating System
EISCP Electronic Instrument Control Panel
EIU Engine Interface Unit
EIU EFIS/EICAS Interface Unit

帅哥

EL Elevation
EL Equipment List
EL Electroluminescent
ELAPS Elapsed Time
ELC Engine Limiter Control
ELCCR Electrical Liaison Commitment Center Record
ELCU Electrical Load Control Unit
ELEC Electric, Electrical, Electricity
ELEC Electronic
ELECT Electric
ELECT Electronic
ELEK Electronic
ELEKS Electronics
ELEV Elevation
ELEV Elevator
ELEX Electronic
ELFA Elevator Load Feel Actuator
ELI Equipment List
ELIM Eliminate
ELMS Electrical Load Management System
ELR Engineering Liaison Request
ELS Electronic Library System
ELT Emergency Locator Transmitter
ELV Elevation
ELV Elevator
EMC Entertainment Multiplexer Controller
EMC Executive Maintenance and Materiel Council
EMDP Electric Motor Driven Pump
EMER Emergency
EMERG Emergency
EMF Electromotive Force
EMHP Electric Motor-Driven Hydraulic Pump
EMI Electro-Magnetic Interference
EMMU Engine Monitoring Multiplex Unit
EMP Electric Motor Pump
EMP Empennage
EMP Electromagnetic Pulse
EMP Engine Management Program
EMR Electromagnetic Riveting
EMS Electronic Mail System
EMU Engine Maintenance Unit
EMU Event Monitoring Unit
EMU Engine Module Unit
EN Enable
ENBL Enable
ENCD Encode
ENCDR Encoder
ENCL Enclosure
END Endurance
ENDUR Endurance
ENG Engine
ENG Engage
ENGA Engage
ENGD Engaged
ENG EXCD Engine Exceedance
ENG LIM Engine Limit
ENG OUT Engine Out
ENGR Engineer
ENGRG Engineering
ENGS Engines
ENG VIB Engine Vibration
ENP Estimated Normal Payload
ENRGZ Energize
ENT Entertainment
ENT Entry, Entrance
ENTMT Entertainment
ENTR Entrance
ENT T/R Entertainment Tape Reproducer
ENV Envelope
ENWY Entryway
EO Engine Out
EO Engineering Order
E/O Engine Out
EOAP Electronic Overhead Annunciator Panel
EOEW Equivalent Operating Empty Weight
EOI Engineering Operating Instruction
EOP End Of Part
EOSID Engine Out Standard Instrument Departure
EOT End Of Tape
EP Entry Panel
EP External Power
EPA Emergency Power Assist
EPA Environmental Protection Agency
EPC External Power Contactor
EPC Electrical Power Center
EPCU Electrical Power Control Unit
EPCR External Power Control Relay
15 REV. OCT. 00
AIRCRAFT ABBREVIATIONS & ACRONYMS
EPCS Electronic Propulsion Control System
EPESC Enhanced Passenger Entertainment System
Controller
EPFP External Power Fault Protection
EPGS Electrical Power Generating System
EPP EEC Programming Plug
EPR Engine Pressure Ratio
EPR Exhaust Pressure Ratio
EPR Ethylene Propylene Rubber
EPR.D EPR Descent
EPRL Engine Pressure Ratio Limit
EPR.L EPR Latch
EPROM Electrically Programmable Read Only Memory
EPROM Erasable Programmable Read Only Memory
EPU Emergency Power Unit
EQ Equipment
EQA Equipment Quality Analysis
EQA Engineering Quality Analysis
EQL Equalizer
EQPMT Equipment
EQPT Equipment
EQUAL Equalization Signal
EQUIP Equipment
EQUIV Equivalent
ER Extended Range
ER Elevator Rib
ER Enroute Cruise
ERD Excessive Rate Detector
ERECT Erection
ERF Exceedance RAM Full
ERI Extended Repeat Interval
EROPS Extended Range Operations
ERP Eye Reference Point
ERP Effective Radiated Power
ERR Error
ERS Erase, Erased
ERU Engine Relay Unit
ES Engine Start
ESC Entertainment/Service Controller
ESC Entertainment System Controller
ESC Escape
ESC Engine Supervisory Controller
ESC Environmental System Controller
ESCC Electrical Supply and Control Center
ESCV Eleventh Stage Cooling Valve
ESD Electrostatic Discharge
ESD Electronic System Display
ESDS Electrostatic Discharge Sensitive
ESFC Equivalent Specific Fuel Consumption
ESHP Equivalent Shaft Horsepower
ESI Engine Start Inhibit
ESNTL Essential
ESNP Engine Serial Number Plug
ESP Emergency Spill Valve
ESS Essential
ESS Engine Start System
EST Estimated
ESTA Engine Station
ESTS Electronic System Test Set
ESU Electronic Sequence Unit
ESU Electronic Switching Unit
ET Elapsed Time
ET Extended Trailing Edge
E/T Electrical Trim
ETA Estimated Time of Arrival
ETC Electronic Turbine Control
ETC Essential Tie Contactor
ETC Electrical Temperature Control
ETC Electronic Temperature Control
ETD Estimated Time of Departure
ETE Estimated Time Enroute
ETI Elapse Time Indicator
ETM Elapsed Time Meter
ETO Estimated Time Over
ETOPS Extended (range) Twin-engine Operations
ETP Equal Time Point
ETPU Engine Transient Pressure Unit
ETPU Electrical Transient Pressure Unit
ETS Equipment Technical Specification
EU Excessive Update
EV Electro Valve
EV East Velocity
EV Excessive Velocity
EVAC Evacuation
EVAL Evaluation
EVAP Evaporate, Evaporator
EVBC Engine Vane Bleed Control
EVM Engine Vibration Monitor
EVSC Engine Vibration Signal Conditioner
EVSCU Enhanced Video System Control Unit
EVT Event
EWA Engineering Work Authorization
EWL Engine Waterline
EWS Electronic Warning System
EX Exhaust
EX Excitation
EX Example
EXC Excite, Excitation
EXCD Exceedance, Exceedances
EXCD Excited
EXCESS Excessive
EXCG Exciting
EXCH Exchange
EXCIT Excitation
EXCN Excitation
EXCT Excitation
EXCTR Exciter
EXEC Execute
EXH Exhaust
EXP Expand, Expanded, Expansion
Expl. Explosive
EXT External
EXT Extend, Extended, Extension
EXT Exterior, External
EXTC Extract
EXTCD Extracted
EXTCG Extracting
EXTEN Extension
EXTG Extending
EXTIG Extinguishing
EXTIN Extinguish, Extinguished, Extinction
EXTING Extinguishing, Extinguish
EXTIR Extinguisher
EXTN Extension
EXTR Extrude, Extrusion
EXTRACT Extraction
EZ Electrical Zero
16 REV. OCT. 00
AIRCRAFT ABBREVIATIONS & ACRONYMS
F Fahrenheit (degrees)
F Force
F Minimum Flap Retract Speed (EFIS)
F Flare
F Fire
F Fuel
F Farad
f Function (of)
FA Final Approach
F/A Flight Attendant
F/A Final Assembly
FA Family (WDM)
FAA Federal Aviation Administration
FAB Fabricate, Fabrication
FAC Flight Augmentation Computer
FACIL Facility
FACS Flight Augmentation Computer System
FADEC Full Authority Digital Electronic Control
FAEEC Full Authority Electronic Engine Control
FAF Final Approach Fix
FAFC Full Authority Fuel Control
FAIL Failed, Failure
FAIR Fairing
FAMV Fan Air Modulating Valve
FAOM Flight Attendant Operating Manual
FAR Federal Airworthiness Regulation